Vehicle air dam



FIG. 1 is a front perspective view of a vehicle air dam showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view.

It will be understood that the broken lines shown in the drawings illustrate portions of the vehicle air dam that form no part of claimed design. 

CLAIM The ornamental design for a vehicle air dam, as shown and described. 